71 Twin Ski

cancan

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May 24, 2007
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Just bought a 71 Ski Twin 40 hp...Model 40152B...Guy that sold it to me said it won't keep a charge on the battery...Where should I start...Thanks...
 
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tashasdaddy

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Re: 71 Twin Ski

horse power, most of those motors did not charge the battery. you had to charge them at home before you go.
 

cancan

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Re: 71 Twin Ski

Yes sorry I got the name backwards...Its a Ski Twin 40 hp... model #40152b..
 

1946Zephyr

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Re: 71 Twin Ski

Nice old motors. I believe this is the model that had the single wall leg on it.

You can actually get generators for these motors. It's not a real cheap investment, but a generator and a voltage regulator will set up a charging system in your boat. I actually did it on an older 40 that I had. I bought all my workings at a salvage yard.:cool:
 

cancan

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Re: 71 Twin Ski

Sounds interesting..I have found an old guy with a treasure trove of old boats, motors, parts etc...If you could give me an idea what to look for I'll take a trip out to see him...Thanks
 

1946Zephyr

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Re: 71 Twin Ski

You'll want the flywheel (with the belt drive teeth in it), the belt, generator (which mounts on the left side of the motor, opposite of the starter and a voltage regulator. Your wiring harness may possibly already be wired for the charging system.
 

cancan

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Re: 71 Twin Ski

Thanks for the info...Been waiting for an excuse to go visit the old guys place, always enjoy his stories...
 
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F_R

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Jul 7, 2006
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Re: 71 Twin Ski

Go to the electronic parts catalog at http://shop.evinrude.com/ Select "OB Accessories" from the drop-down box where it defaults to Evinrude. Then 1972 (as far back as they go). Then "Generator Kit Electric Starting 40hp". You will see all the required goodies.
 

tx1961whaler

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May 31, 2008
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Re: 71 Twin Ski

There really isn't a reason to have a generator on those motors. They do not require a battery to run; the battery is only used for the starter. A charged up deep-cycle will be good for a weekend of constant boating..
 

KB1

Seaman
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Jan 2, 2006
Messages
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Re: 71 Twin Ski

Just bought a 71 Ski Twin 40 hp...Model 40152B...Guy that sold it to me said it won't keep a charge on the battery...Where should I start...Thanks...

He is correct, it won't. Had the same engine (40153g)

Charge at home before you go. That's the last thing you do w/ a boat before you leave home. If it won't start, no need to ruin your day MORE than finding out before you slip over the 2" ball!!!!
 

tashasdaddy

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51,019
Re: 71 Twin Ski

heck, they aren't that bad to rope start, if properly tuned.
 

cancan

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May 24, 2007
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Re: 71 Twin Ski

Thanks for all the input guys....Will probably be back soon with more questions as i'm still fairly new to the boating world...
 
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